Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/55—Phosphorus compounds
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
  • A61K8/22—Peroxides; Oxygen; Ozone
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
  • A61K8/41—Amines
  • A61K8/411—Aromatic amines, i.e. where the amino group is directly linked to the aromatic nucleus
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
  • A61K8/4906—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom
  • A61K8/4926—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom having six membered rings
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q5/00—Preparations for care of the hair
  • A61Q5/10—Preparations for permanently dyeing the hair
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
  • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
  • A61K2800/42—Colour properties
  • A61K2800/43—Pigments; Dyes
  • A61K2800/432—Direct dyes
  • A61K2800/4322—Direct dyes in preparations for temporarily coloring the hair further containing an oxidizing agent

Definitions

• TITLE Composition comprising a particular oxidation dye precursor and two particular acids
• the invention relates to a composition comprising the combination of a particular oxidation dye precursor with particular acids and/or their salts.
• the invention also relates to a process for dyeing keratin fibres, in particular the hair, using this composition.
• the invention relates to the use of such a composition for dyeing keratin fibres, and in particular the hair.
• oxidation dye precursors such as ortho- or para-phenylenediamines, ortho- or para-aminophenols, or heterocyclic compounds such as pyrazoles, pyrazolinones or pyrazolo-pyridines.
• oxidation bases are colourless or weakly coloured compounds which, when combined with oxidizing products, can give rise to coloured compounds via a process of oxidative condensation.
• the dyeing power obtained may not be entirely satisfactory, or may even be weak, and lead to a restricted range of colours.
• the colourings may also be insufficiently persistent with respect to external agents such as light, shampoo or perspiration, and may also be too selective, i.e. the difference in colouring is too great along the same keratin fibre that is differently sensitized between its end and its root.
• composition in particular for dyeing keratin fibres, comprising:
• At least one oxidation coupler chosen from 6-hydroxybenzomorpholine of formula (I), one of its addition salts, its solvates and/or the solvates of its salts, and mixtures thereof:
• Another subject of the present invention is a process for dyeing keratin fibres in which the composition according to the invention is applied to said fibres.
• the composition according to the invention is a composition for dyeing keratin fibres, in particular the hair.
• composition according to the invention may especially lead to chromatic, powerful, intense and sparingly selective colourings, i.e. to colourings that are uniform along the length of the fibre. It also allows various shades to be achieved in a very wide range of colours. Furthermore, it enables a good colour build-up.
• This composition also gives particularly good coverage of depigmented keratin fibres, such as grey hair.
• chemical oxidizing agent is intended to mean an oxidizing agent other than atmospheric oxygen.
• composition according to the invention comprises at least two oxidation dye precursors.
• composition according to the present invention comprises at least one coupler chosen from 6-hydroxybenzomorpholine of formula (I), one of its addition salts, its solvates and/or the solvates of its salts, and mixtures thereof:
• the addition salts of the compounds of formula (I) are chosen, especially, from the addition salts with an acid, such as the hydrochlorides, hydrobromides, sulfates, citrates, succinates, tartrates, lactates, tosylates, benzenesulfonates, phosphates and acetates, and the addition salts with a base, such as sodium hydroxide, potassium hydroxide, aqueous ammonia, amines or alkanolamines.
• an acid such as the hydrochlorides, hydrobromides, sulfates, citrates, succinates, tartrates, lactates, tosylates, benzenesulfonates, phosphates and acetates
• a base such as sodium hydroxide, potassium hydroxide, aqueous ammonia, amines or alkanolamines.
• the solvates of the compounds of formula (I) more particularly represent the hydrates of these compounds and/or the combination of these compounds with a linear or branched Ci to C4 alcohol such as methanol, ethanol, isopropanol or n-propanol.
• a linear or branched Ci to C4 alcohol such as methanol, ethanol, isopropanol or n-propanol.
• the solvates are hydrates.
• the total content of coupler(s) chosen from 6-hydroxybenzomorpholine of formula (I), one of its addition salts, its solvates and/or the solvates of its salts preferably ranges from 0.001 % to 20% by weight, preferably from 0.005% to 15% by weight, more preferentially from 0.01 % to 10% by weight, better still from 0.05% to 5%, even better still from 0.1 % to 3% by weight, relative to the total weight of the composition.
• composition according to the invention may optionally also comprise one or more additional couplers different from the compound of formula (I) and from its additional salts, its solvates and/or the solvates of its salts, advantageously chosen from those conventionally used in the dyeing of keratin fibres.
• the composition according to the invention is free from oxidation couplers chosen from resorcinol, 2-methylresorcinol, 4-chlororesorcinol, their addition salts, their solvates and the solvates of their salts.
• addition salts of the couplers that may be used in the context of the invention are chosen in particular from the addition salts with an acid, such as the hydrochlorides, hydrobromides, sulfates, citrates, succinates, tartrates, lactates, tosylates, benzenesulfonates, phosphates and acetates.
• an acid such as the hydrochlorides, hydrobromides, sulfates, citrates, succinates, tartrates, lactates, tosylates, benzenesulfonates, phosphates and acetates.
• the total content of the additional coupler(s) different from the couplers of formula (I), from its salts, from its solvates and from the solvates of its salts that is (are) present in the composition according to the invention preferably ranges from 0.001 % to 20% by weight, more preferably from 0.005% to 15% by weight, more preferentially from 0.01 % to 10% by weight, better still from 0.05% to 5%, even better still from 0.1 % to 3% by weight, relative to the total weight of the composition.
• composition according to the invention also comprises at least one oxidation base.
• the oxidation bases are chosen from para-phenylenediamines, bis(phenyl)alkylenediamines, para-aminophenols, ortho-aminophenols, heterocyclic bases and the corresponding addition salts, the solvates and/or the solvates of the salts.
• para-phenylenediamines that may be mentioned are, for example, paraphenylenediamine, para-toluenediamine, 2-chloro-para-phenylenediamine, 2,3-dimethyl- para-phenylenediamine, 2,6-dimethyl-para-phenylenediamine, 2,6-diethyl-para- phenylenediamine, 2,5-dimethyl-para-phenylenediamine, N,N-dimethyl-para- phenylenediamine, N,N-diethyl-para-phenylenediamine, N,N-dipropyl-para- phenylenediamine, 4-amino-N,N-diethyl-3-methylaniline, N,N-bis(P-hydroxyethyl)-para- phenylenediamine, 4-N,N-bis(P-hydroxyethyl)amino-2-methylaniline, 4-N,N-bis(P- hydroxyethyl
• para-phenylenediamines particular preference is given to para-phenylenediamine, para-toluenediamine, 2-isopropyl-para-phenylenediamine, 2-p- hydroxyethyl-para-phenylenediamine, 2-p-hydroxyethyloxy-para-phenylenediamine, 2- methoxymethyl-para-phenylenediamine, 2-y-hydroxypropyl-para-phenylenediamine, 2,6- dimethyl-para-phenylenediamine, 2,6-diethyl-para-phenylenediamine, 2,3-dimethyl-para- phenylenediamine, N,N-bis(P-hydroxyethyl)-para-phenylenediamine, 2-chloro-para- phenylenediamine and 2-p-acetylaminoethyloxy-para-phenylenediamine, and the corresponding addition salts, the solvates and/or the solvates
• bis(phenyl)alkylenediamines that may be mentioned are, for example, N,N'- bis(P-hydroxyethyl)-N,N'-bis(4'-aminophenyl)-1 ,3-diaminopropanol, N,N'-bis(P- hydroxyethyl)-N,N'-bis(4'-aminophenyl)ethylenediamine, N,N'-bis(4- aminophenyl)tetramethylenediamine, N,N'-bis(P-hydroxyethyl)-N,N'-bis(4- aminophenyl)tetramethylenediamine, N,N'-bis(4- methylaminophenyl)tetramethylenediamine, N,N'-bis(ethyl)-N,N'-bis(4'-amino-3'- methylphenyl)ethylenediamine and 1 ,8-bis(2,5-diaminophenoxy
• para-aminophenols that are mentioned are, for example, para-aminophenol, 4- amino-3-methylphenol, 4-amino-3-fluorophenol, 4-amino-3-chlorophenol, 4-amino-3- hydroxymethylphenol, 4-amino-2-methylphenol, 4-amino-2-hydroxymethylphenol, 4-amino- 2-methoxymethylphenol, 4-amino-2-aminomethylphenol, 4-amino-2-(P- hydroxyethylaminomethyl)phenol and 4-amino-2-fluorophenol, and the corresponding addition salts, the solvates and/or the solvates of the salts.
• para-aminophenol 4- amino-3-methylphenol, 4-amino-3-fluorophenol, 4-amino-3-chlorophenol, 4-amino-3- hydroxymethylphenol, 4-amino-2-methylphenol, 4-amino-2-hydroxymethylphenol, 4-amino- 2-methoxymethylphenol, 4-amino-2-aminomethylphenol, 4-a
• ortho-aminophenols that may be mentioned are, for example, 2-aminophenol, 2-amino-5-methylphenol, 2-amino-6-methylphenol and 5-acetamido-2-aminophenol, and the corresponding addition salts, the solvates and/or the solvates of the salts.
• heterocyclic bases for example, pyridine, pyrimidine and pyrazole derivatives.
• pyridine derivatives that may be mentioned are the compounds described, for example, in patents GB 1 026 978 and GB 1 153 196, for example 2,5-diaminopyridine, 2- (4-methoxyphenyl)amino-3-aminopyridine and 3,4-diaminopyridine, and the corresponding addition salts, the solvates and/or the solvates of the salts.
• pyridine oxidation bases that are useful in the present invention are the 3- aminopyrazolo[1 ,5-a]pyridine oxidation bases or the corresponding addition salts described, for example, in patent application FR 2 801 308.
• Examples that may be mentioned include pyrazolo[1 ,5-a]pyrid-3-ylamine, 2-acetylaminopyrazolo[1 ,5-a]pyrid-3- ylamine, 2-(morpholin-4-yl)pyrazolo[1 ,5-a]pyrid-3-ylamine, 3-aminopyrazolo[1 ,5-a]pyridine- 2-carboxylic acid, 2-methoxypyrazolo[1 ,5-a]pyrid-3-ylamine, (3-aminopyrazolo[1 ,5-a]pyrid- 7-yl)methanol, 2-(3-aminopyrazolo[1 ,5-a]pyrid-5-yl)
• the oxidation bases that are useful in the present invention are chosen from 3-aminopyrazolo[1 ,5-a]pyridines and preferably substituted on carbon atom 2 with: a) a (di)(Ci-C6)(alkyl)amino group, said alkyl group possibly being substituted with at least one hydroxyl, amino or imidazolium group; b) an optionally cationic 5- to 7-membered heterocycloalkyl group comprising from 1 to 3 heteroatoms, optionally substituted with one or more (Ci-Ce)alkyl groups, such as a di(Ci- C4)alkylpiperazinium group; or c) a (Ci-Ce)alkoxy group optionally substituted with one or more hydroxyl groups, such as a p-hydroxyalkoxy group, and the corresponding addition salts, the solvates and/or the solvates of the salts.
• pyrimidine derivatives which may be mentioned are the compounds described, for example, in patents DE 2359399, JP 88-169571 , JP 05-63124 and EP 0770375 or patent application WO 96/15765, such as 2,4,5,6-tetraaminopyrimidine, 4-hydroxy-2,5,6- triaminopyrimidine, 2-hydroxy-4,5,6-triaminopyrimidine, 2,4-dihydroxy-5,6- diaminopyrimidine, 2,5,6-triaminopyrimidine and their addition salts and their tautomeric forms, when a tautomeric equilibrium exists.
• a 4,5-diaminopyrazole will preferably be used and even more preferentially 4,5-diamino-1- (P-hydroxyethyl)pyrazole and/or a corresponding salt, the solvates and/or the solvates of the salts.
• pyrazole derivatives which may also be mentioned comprise diammo-N,N- dihydropyrazolopyrazolones and in particular those described in patent application FR-A-2 886 136, such as the following compounds and the corresponding addition salts: 2,3- diamino-6,7-dihydro-1 H,5H-pyrazolo[1 ,2-a]pyrazol-1-one, 2-amino-3-ethylamino-6,7- dihydro-1 H,5H-pyrazolo[1 ,2-a]pyrazol-1-one, 2-amino-3-isopropylamino-6,7-dihydro- 1 H,5H-pyrazolo[1 ,2-a]pyrazol-1-one, 2-amino-3-(pyrrolidin-1-yl)-6,7-dihydro-1 H,5H- pyrazolo[1 ,2-a]pyrazol-1-one, 4,5-diamino-1 ,2-d
• Use will preferably be made of 2,3-diamino-6,7-dihydro-1 H,5H-pyrazolo[1 ,2-a]pyrazol-1- one and/or a corresponding salt, the solvates and/or the solvates of the salts.
• Use will preferably be made, as heterocyclic bases, of 4,5-diamino-1-(P- hydroxyethyl)pyrazole and/or 2,3-diamino-6,7-dihydro-1 H,5H-pyrazolo[1 ,2-a]pyrazol-1-one and/or 2-p-hydroxyethoxy-3-aminopyrazolo[1 ,5-a]pyridine and/or a corresponding salt.
• the addition salts of the oxidation bases present in the composition according to the invention are chosen especially from the addition salts with an acid, such as the hydrochlorides, hydrobromides, sulfates, citrates, succinates, tartrates, lactates, tosylates, benzenesulfonates, methanesulfonates, phosphates and acetates, and the addition salts with a base, such as sodium hydroxide, potassium hydroxide, aqueous ammonia, amines or alkanolamines.
• an acid such as the hydrochlorides, hydrobromides, sulfates, citrates, succinates, tartrates, lactates, tosylates, benzenesulfonates, methanesulfonates, phosphates and acetates
• a base such as sodium hydroxide, potassium hydroxide, aqueous ammonia, amines or alkanolamines.
• the solvates of the additional oxidation bases more particularly represent the hydrates of said oxidation bases and/or the combination of said oxidation bases with a linear or branched Ci to C4 alcohol such as methanol, ethanol, isopropanol or n-propanol.
• a linear or branched Ci to C4 alcohol such as methanol, ethanol, isopropanol or n-propanol.
• the solvates are hydrates.
• the oxidation base(s) is (are) chosen from para-phenylenediamines, bis(phenyl)alkylenediamines, para-aminophenols, ortho-aminophenols, heterocyclic bases, and the corresponding addition salts, the solvates and/or the solvates of the salts, and mixtures thereof; more preferentially from 2-methoxymethyl-para-phenylenediamine, 2-p- hydroxyethyl-para-phenylenediamine, 2-y-hydroxypropyl-para-phenylenediamine, their addition salts, their solvates and/or the solvates of their salts and mixtures thereof.
• composition according to the invention is free from oxidation bases chosen from para-phenylenediamine, para-toluenediamine, their addition salts, their solvates and the solvates of their salts.
• the total content of oxidation base(s) preferably ranges from 0.001 % to 20% by weight, more preferably from 0.005% to 15% by weight, more preferentially from 0.01 % to 10% by weight, better still from 0.05% to 5%, even better still from 0.1 % to 3%, relative to the weight of the composition.
• the oxidation base(s) chosen from 2-methoxymethyl- para-phenylenediamine, 2-p-hydroxyethyl-para-phenylenediamine, 2-y-hydroxypropyl- para-phenylenediamine, their addition salts, their solvates and/or the solvates of their salts and mixtures thereof is (are) present in a total content preferably ranging from 0.001 % to 20% by weight, more preferably from 0.005% to 15% by weight, more preferentially from 0.01 % to 10% by weight, better still from 0.05% to 5%, even better still from 0.1 % to 3% by weight, relative to the weight of the composition.
• the weight ratio between the total content of the oxidation base(s) and the total content of 6-hydroxybenzomorpholine of formula (I), its addition salts, its solvates and/or the solvates of its salts is between 0.1 and 10, preferably between 0.5 and 5.
• the weight ratio between the total content of the oxidation base(s) and the total content of the couplers ranges from 0.1 to 10, preferably from 0.3 to 3.
• composition according to the invention also comprises one or more compounds chosen from 2,6-dipicolinic acid, its salts, and mixtures thereof.
• the salts are especially alkali metal, alkaline-earth metal, ammonium and substituted ammonium salts.
• alkali metal salts preference is given to alkali metal salts, and especially sodium or potassium salts.
• composition according to the invention preferably comprises 2,6-dipicolinic acid (INCI name: 2,6-dicarboxypyridine).
• the total content of compound(s) chosen from 2,6-dipicolinic acid, its salts, and mixtures thereof ranges from 0.001 % to 15% by weight, more preferentially from 0.005% to 10% by weight, better still from 0.01 % to 8% by weight, even better still from 0.05% to 5% by weight, or even from 0.075% to 2% by weight, relative to the total weight of the composition.
• the total content of 2,6-dipicolinic acid ranges from 0.001 % to 15% by weight, more preferentially from 0.005% to 10% by weight, better still from 0.01 % to 8% by weight, even better still from 0.05% to 5% by weight, or even from 0.075% to 2% by weight, relative to the total weight of the composition.
• composition according to the invention also comprises one or more compounds chosen from etidronic acid, its salts, and mixtures thereof.
• the salts are especially alkali metal, alkaline-earth metal, ammonium and substituted ammonium salts.
• alkali metal salts preference is given to alkali metal salts, and especially sodium or potassium salts.
• the etidronic acid salts may be chosen from tetrasodium etidronate, disodium etidronate, tetrapotassium etidronate, dipotassium etidronate and a mixture of these compounds.
• composition according to the invention preferably comprises etidronic acid.
• TURPIN AL SL from Taimatch Chemicals will be used for example.
• the total content of compound(s) chosen from etidronic acid, its salts, and mixtures thereof ranges from 0.001 % to 15% by weight, more preferentially from 0.005% to 10% by weight, better still from 0.01 % to 8% by weight, even better still from 0.05% to 5% by weight, or even from 0.075% to 2% by weight, relative to the total weight of the composition.
• the total content of etidronic acid ranges from 0.001 % to 15% by weight, more preferentially from 0.005% to 10% by weight, better still from 0.01 % to 8% by weight, even better still from 0.05% to 5% by weight, or even from 0.075% to 2% by weight, relative to the total weight of the composition.
• composition according to the present invention can comprise one or more surfactants. These may be chosen from anionic surfactants, amphoteric surfactants, non-ionic surfactants and cationic surfactants, and/or mixtures thereof.
• anionic surfactant is understood to mean a surfactant including, as ionic or ionizable groups, only anionic groups. These anionic groups are preferably chosen from the following groups: CO2H, CC>2', SO3H, SO 3 _ , OSO3H, OSO 3 _ , H2PO3, HPO 3 ', PO 3 2- , H2PO2, HPO2-, PO2 2 -, POH and PO-.
• anionic surfactants that may be used in the composition according to the invention, mention may be made of alkyl sulfates, alkyl ether sulfates, alkylamido ether sulfates, alkylaryl polyether sulfates, monoglyceride sulfates, alkylsulfonates, alkylamidesulfonates, alkylarylsulfonates, a-olefinsulfonates, paraffin sulfonates, alkyl sulfosuccinates, alkyl ether sulfosuccinates, alkylamide sulfosuccinates, alkyl sulfoacetates, acyl sarcosinates, acyl glutamates, alkyl sulfosuccinamates, acyl isethionates and N-(Ci-C4)alkyl N-acyltaurates, salts of alkyl monoesters
• These compounds may be oxyethylenated and then preferably comprise from 1 to 50 ethylene oxide units.
• the salts of C6-C24 alkyl monoesters of polyglycoside-polycarboxylic acids may be chosen from C 6 -C24 alkyl polyglycoside-citrates, C6-C24 alkyl polyglycoside-tartrates and C6-C24 alkyl polyglycoside-sulfosuccinates.
• the anionic surfactant(s) may be chosen from alkali metal salts such as the sodium or potassium salt and preferably the sodium salt, ammonium salts, amine salts and in particular amino alcohol salts or alkaline- earth metal salts such as the magnesium salt.
• amino alcohol salts examples include monoethanolamine, diethanolamine and triethanolamine salts, monoisopropanolamine, diisopropanolamine or triisopropanolamine salts, 2-amino-2-methyl-1 -propanol salts, 2- amino-2-methyl-1 ,3-propanediol salts and tris(hydroxymethyl)aminomethane salts.
• Alkali metal or alkaline-earth metal salts and in particular the sodium or magnesium salts are preferably used.
• the anionic surfactants optionally present may be mild anionic surfactants, i.e. anionic surfactants without a sulfate function.
• mild anionic surfactants mention may be made in particular of the following compounds and salts thereof, and also mixtures thereof: polyoxyalkylenated alkyl ether carboxylic acids; polyoxyalkylenated alkylaryl ether carboxylic acids; polyoxyalkylenated alkylamido ether carboxylic acids, in particular those comprising 2 to 50 ethylene oxide groups; alkyl D-galactoside uronic acids; acyl sarcosinates; acyl glutamates; and alkylpolyglycoside carboxylic esters.
• Use may be made most particularly of polyoxyalkylenated alkyl ether carboxylic acids, for instance lauryl ether carboxylic acid (4.5 OE), sold, for example, under the name Akypo RLM 45 CA from Kao.
• polyoxyalkylenated alkyl ether carboxylic acids for instance lauryl ether carboxylic acid (4.5 OE)
• Akypo RLM 45 CA from Kao.
• anionic surfactants such as the alkyl sulfates or alkyl ether sulfates, and the acyl glutamates, more preferentially the alkyl sulfates and/or the alkyl ether sulfates.
• amphoteric or zwiterionic surfactants that may be used in the composition according to the invention are preferably non-silicone surfactants and may notably be optionally quaternized secondary or tertiary aliphatic amine derivatives, in which the aliphatic group is a linear or branched chain including from 8 to 22 carbon atoms, said amine derivatives containing at least one anionic group, for instance a carboxylate, sulfonate, sulfate, phosphate or phosphonate group.
• R a represents a C10 to C30 alkyl or alkenyl group derived from an acid R a COOH preferably present in hydrolyzed coconut kernel oil; preferably, R a represents a heptyl, nonyl or undecyl group;
• - Rb represents a p-hydroxyethyl group
• - R c represents a carboxymethyl group
• - M + represents a cationic counterion derived from an alkali metal or alkaline-earth metal, such as sodium, an ammonium ion or an ion derived from an organic amine
• - X- represents an organic or inorganic anionic counterion, such as that chosen from halides, acetates, phosphates, nitrates, (Ci-C4)alkyl sulfates, (Ci-C4)alkyl- or (Ci-C4)alkylaryl- sulfonates, in particular methyl sulfate and ethyl sulfate; or alternatively M + and X- are absent;
• - B represents the group -CH 2 CH 2 OX’
• - X’ represents the group -CH 2 COOH, -CH 2 -COOZ’, -CH 2 CH 2 COOH or CH 2 CH 2 -COOZ’, or a hydrogen atom;
• - Y’ represents the group -COOH, -COOZ’ or -CH 2 CH(OH)SC>3H or the group CH 2 CH(OH)SO 3 -Z’;
• - Z’ represents a cationic counterion derived from an alkali metal or alkaline-earth metal, such as sodium, an ammonium ion or an ion derived from an organic amine;
• R a ' represents a C to C30 alkyl or alkenyl group of an acid R a '-COOH which is preferably present in coconut kernel oil or in hydrolyzed linseed oil, preferably R a ' is an alkyl group, notably a C17 group, and its iso form, or an unsaturated C17 group.
• cocoamphodiacetate sold by the company Rhodia under the trade name Miranol® C2M Concentrate.
• Rd and R e independently of each other, represent a Ci to C4 alkyl or hydroxyalkyl radical
• - Z" represents a cationic counterion derived from an alkali metal or alkaline-earth metal, such as sodium, an ammonium ion or an ion derived from an organic amine;
• R a " represents a C10 to C30 alkyl or alkenyl group of an acid R a "-COOH which is preferably present in coconut kernel oil or in hydrolyzed linseed oil;
• - n and n’ denote, independently of each other, an integer ranging from 1 to 3.
• (Cs-C2o)alkylbetaines such as cocoyl betaine, (C8-C2o)alkylamido(C 3 - Cs)alkylbetaines, such as cocamidopropylbetaine, (C8-C2o)alkylamphoacetates, (Cs- C2o)alkylamphodiacetates and mixtures thereof; and preferably (C8-C2o)alkylbetaines, (Cs- C2o)alkylamido(C 3 -C8)alkylbetaines and mixtures thereof.
• amphoteric or zwitterionic surfactants are chosen from (Cs- C2o)alkylbetaines, (C8-C2o)alkylamido(C 3 -C8)alkylbetaines, and mixtures thereof.
• non-ionic surfactants that may be used in the composition of the present invention are in particular described, for example, in the Handbook of Surfactants by M.R. Porter, published by Blackie & Son (Glasgow and London), 1991 , pages 116-178.
• non-ionic surfactants mention may be made of the following compounds, alone or as a mixture:
• They are notably chosen from alcohols, a-diols and (Ci-C2o)alkylphenols, these compounds being ethoxylated, propoxylated or glycerolated, and bearing at least one fatty chain comprising, for example, from 8 to 24 carbon atoms, preferably from 8 to 18 carbon atoms, the number of ethylene oxide or propylene oxide groups possibly ranging notably from 1 to 200, and the number of glycerol groups possibly ranging notably from 1 to 30.
• esters of saturated or unsaturated, linear or branched C8-C30 fatty acids and of glycerol may be chosen from esters of C8-C24, preferably C12-C22, preferentially C14- C20 fatty acid(s) and of glycerol.
• the C8-C30 fatty acid ester(s) of glycerol may be chosen from monoesters, diesters, and mixtures thereof, preferably from monoesters.
• the C8-C30 fatty acid ester(s) are chosen from esters of saturated, linear C12- C22, preferentially C14-C20 fatty acid(s) and of glycerol, more preferentially from monoesters of saturated, linear C12-C22, preferentially C14-C20 fatty acid(s) and of glycerol.
• Glycerol monostearate will more particularly be used.
• glyceryl monostearate mention may be made of the following commercial products: CUTINA GMS V and CUTINA MD from Cognis; LIPO GMS 450 V from Lipo Chemicals; TEGIN ISO from Goldschmidt; LEXEMUL 55 G from Index; WITCONOL MST from CK Witco; TEGIN 6070 from Evonik Goldschmidt; TEGIN 515, TEGIN 90 PELLETS and TEGIN M PELLETS from Evonik Goldschmidt; ESTOL 1473 from Croda; DUB GMS 50/50 from Stearinerie Dubois.
• the Cs-Cso, preferably C12-C22, fatty acid esters (especially monoesters, diesters and triesters) of sorbitan may be chosen from: sorbitan caprylate; sorbitan cocoate; sorbitan isostearate; sorbitan laurate; sorbitan oleate; sorbitan palmitate; sorbitan stearate; sorbitan diisostearate; sorbitan dioleate; sorbitan distearate; sorbitan sesquicaprylate; sorbitan sesquiisostearate; sorbitan sesquioleate; sorbitan sesquistearate; sorbitan triisostearate; sorbitan trioleate; and sorbitan tristearate.
• the polyoxyethylenated C8-C30 fatty acid esters (notably monoesters, diesters and triesters) of sorbitan are preferably chosen from oxyethylenated Cs-Cso fatty acid ester(s) of sorbitan having from 1 to 30 ethylene oxide units, preferably from 2 to 20 ethylene oxide units, more preferably from 2 to 10 ethylene oxide units.
• the oxyethylenated Cs-Cso fatty acid ester(s) of sorbitan is (are) chosen from oxyethylenated C12-C18 fatty acid ester(s) of sorbitan, in particular from the oxyethylenated esters of lauric acid, of myristic acid, of cetylic acid and of stearic acid and of sorbitan.
• the oxyethylenated Cs-Cso fatty acid ester(s) of sorbitan is (are) chosen from oxyethylenated sorbitan monolaurate (4 OE) (Polysorbate-21), oxyethylenated sorbitan monolaurate (20 OE) (Polysorbate-20), oxyethylenated sorbitan monopalmitate (20 OE) (Polysorbate-40), oxyethylenated sorbitan monostearate (20 OE) (Polysorbate-60), oxyethylenated sorbitan monostearate (4 OE) (Polysorbate-61), oxyethylenated sorbitan monooleate (20 OE) (Polysorbate-80), oxyethylenated sorbitan monooleate (5 OE) (Polysorbate-81), oxyethylenated sorbitan tristearate (20 OE) (Polysorbate-
• the non-ionic surfactant(s) is/are preferably chosen from ethoxylated C8-C24 fatty alcohols comprising from 1 to 200 ethylene oxide groups, (C 6 -C24 alkyl)polyglycosides, esters of saturated or unsaturated, linear or branched C8-C30 fatty acids and of glycerol, oxyethylenated Cs-Cso fatty acid esters of sorbitan, and mixtures thereof, preferentially from ethoxylated C8-C24 fatty alcohols comprising from 1 to 200 ethylene oxide groups, (C6-C24 alkyl)polyglycosides, and esters of saturated or unsaturated, linear or branched C8-C30 fatty acids and of glycerol.
• the cationic surfactant(s) that may be used in the composition according to the invention is (are) generally chosen from optionally polyoxyalkylenated primary, secondary or tertiary fatty amines, quaternary ammonium salts, and mixtures thereof.
• the fatty amines generally comprise at least one C8-C30 hydrocarbon-based chain.
• examples that may be mentioned include stearylamidopropyldimethylamine and distearylamine.
• quaternary ammonium salts examples include:
• the groups Rs to Rn which may be identical or different, represent a linear or branched aliphatic group comprising from 1 to 30 carbon atoms, or an aromatic group such as aryl or alkylaryl, at least one of the groups Rs to Rn comprising from 8 to 30 carbon atoms and preferably from 12 to 24 carbon atoms.
• the aliphatic groups may include heteroatoms such as especially oxygen, nitrogen, sulfur and halogens.
• the aliphatic groups are chosen, for example, from C1-C30 alkyl, C1-C30 alkoxy, polyoxy(C2-Cs)alkylene, C1-C30 alkylamide, (Ci2-C22)alkylamido(C2-Cs)alkyl, (Ci2-C22)alkyl acetate and C1-C30 hydroxyalkyl groups;
• X- is an anion chosen from the group of halides, phosphates, acetates, lactates, (Ci-C4)alkyl sulfates and (Ci-C4)alkylsulfonates or (C1- C 4 )alkylarylsulfonates.
• quaternary ammonium salts of formula (X) preference is given, firstly, to tetraalkylammonium chlorides, for instance dialkyldimethylammonium or alkyltrimethylammonium chlorides in which the alkyl group includes from about 12 to 22 carbon atoms, in particular behenyltrimethylammonium chloride, distearyldimethylammonium chloride, cetyltrimethylammonium chloride or benzyldimethylstearylammonium chloride, or else, secondly, to distearoylethylhydroxyethylmethylammonium methosulfate, dipalmitoylethylhydroxyethylammonium methosulfate or distearoylethylhydroxyethylammonium methosulfate, or else, finally, to palmitylamidopropyltrimethylammonium chloride or stearamidopropyldimethyl(myristyl acetate)ammoni
• R12 represents an alkenyl or alkyl group including from 8 to 30 carbon atoms, for example tallow fatty acid derivatives
• R13 represents a hydrogen atom, a C1-C4 alkyl group or an alkenyl or alkyl group including from 8 to 30 carbon atoms
• R14 represents a C1-C4 alkyl group
• R15 represents a hydrogen atom or a C1-C4 alkyl group
• X- is an anion chosen from the group of halides, phosphates, acetates, lactates, (Ci-C4)alkyl sulfates and (Ci-C 4 )alkylsulfonates or (Ci-C4)alkylarylsulfonates.
• R12 and R13 denote a mixture of alkenyl or alkyl groups including from 12 to 21 carbon atoms, for example tallow fatty acid derivatives, R14 denotes a methyl group, and R15 denotes a hydrogen atom.
• R12 and R13 denote a mixture of alkenyl or alkyl groups including from 12 to 21 carbon atoms, for example tallow fatty acid derivatives
• R14 denotes a methyl group
• R15 denotes a hydrogen atom.
• Such a product is sold, for example, under the name Rewoquat® W 75 by the company Rewo.
• RIG denotes an alkyl group containing approximately from 16 to 30 carbon atoms, which is optionally hydroxylated and/or interrupted with one or more oxygen atoms
• R17 is chosen from hydrogen, an alkyl group containing from 1 to 4 carbon atoms or a group - (CH 2 )3-N + (R16a)(R17a)(R18a), R16a, R17a, R18a, Ris, R19, R20 and R21, which may be identical or different, are chosen from hydrogen or an alkyl group containing from 1 to 4 carbon atoms
• X- is an anion chosen from the group of halides, acetates, phosphates, nitrates, (Ci-C4)alkyl sulfates, (Ci-C4)alkylsulfonates or (Ci-C4)alkylarylsulfon
• Such compounds are, for example, Finquat CT-P, sold by the company Finetex (Quaternium 89), and Finquat CT, sold by the company Finetex (Quaternium 75).
• R22 is chosen from Ci-Ce alkyl groups and Ci-Ce hydroxyalkyl or dihydroxyalkyl groups
• R23 is chosen from: the group -C(O)R26, linear or branched, saturated or unsaturated C1-C22 hydrocarbon-based groups R27, or a hydrogen atom
• R25 is chosen from: the group -C(O)R 2 8, linear or branched, saturated or unsaturated Ci-Ce hydrocarbon-based groups R29, or a hydrogen atom
• R24, R26 and R28 which may be identical or different, are chosen from linear or branched, saturated or unsaturated C7-C21 hydrocarbon-based groups
• r, s and t which may be identical or different, are integers from 2 to 6
• r1 and t1 which may be identical or different, are 0 or 1
• the alkyl groups R22 may be linear or branched, and more particularly linear.
• R22 denotes a methyl, ethyl, hydroxyethyl or dihydroxypropyl group, and more particularly a methyl or ethyl group.
• the sum x + y + z is from 1 to 10.
• R23 is a hydrocarbon-based group R27, it may be long and contain from 12 to 22 carbon atoms, or may be short and contain from 1 to 3 carbon atoms.
• R25 is a hydrocarbon-based group R29, it preferably contains 1 to 3 carbon atoms.
• R24, R26 and R28 which may be identical or different, are chosen from linear or branched, saturated or unsaturated C11-C21 hydrocarbon-based groups, and more particularly from linear or branched, saturated or unsaturated C11-C21 alkyl and alkenyl groups.
• x and z which may be identical or different, are equal to 0 or 1 .
• y is equal to 1 .
• r, s and t which may be identical or different, are equal to 2 or 3, and even more particularly are equal to 2.
• the anion X- is preferably a halide, preferably chloride, bromide or iodide, a (Ci-C4)alkyl sulfate, (Ci-C4)alkylsulfonate or (Ci-C4)alkylarylsulfonate.
• a halide preferably chloride, bromide or iodide
• a (Ci-C4)alkyl sulfate, (Ci-C4)alkylsulfonate or (Ci-C4)alkylarylsulfonate preferably a halide, preferably chloride, bromide or iodide, a (Ci-C4)alkyl sulfate, (Ci-C4)alkylsulfonate or (Ci-C4)alkylarylsulfonate.
• methanesulfonate phosphate, nitrate, tosylate
• an anion derived from an organic acid such
• the anion X- is even more particularly chloride, methyl sulfate or ethyl sulfate.
• R22 denotes a methyl or ethyl group, x and y are equal to 1 , z is equal to 0 or 1 , r, s and t are equal to 2;
• R23 is chosen from: the group - C(O)R26, methyl, ethyl or C14-C22 hydrocarbon-based groups, or a hydrogen atom,
• R25 is chosen from: the group -C(O)R 2 8, or a hydrogen atom,
• R24, R26 and R28 which may be identical or different, are chosen from linear or branched, saturated or unsaturated C13-C17 hydrocarbon-based groups, and preferably from linear or branched, saturated or unsaturated C13-C17 alkyl and alkenyl groups.
• the hydrocarbon-based groups are linear.
• acyl groups preferably contain 14 to 18 carbon atoms and are derived more particularly from a plant oil such as palm oil or sunflower oil. When the compound contains several acyl groups, these groups may be identical or different.
• alkylating agent such as an alkyl halide, preferably methyl or ethyl halide, a dialkyl sulfate, preferably dimethyl or diethyl sulfate, methyl methanesulfonate, methyl para-toluenesulfonate, glycol chlorohydrin or glycerol chlorohydrin.
• alkylating agent such as an alkyl halide, preferably methyl or ethyl halide, a dialkyl sulfate, preferably dimethyl or diethyl sulfate, methyl methanesulfonate, methyl para-toluenesulfonate, glycol chlorohydrin or glycerol chlorohydrin.
• Such compounds are sold, for example, under the names Dehyquart® by the company Henkel, Stepanquat® by the company Stepan, Noxamium® by the company CECA or Rewoquat® WE 18 by the company Rewo-Witco.
• composition according to the invention may contain, for example, a mixture of quaternary ammonium monoester, diester and triester salts with a weight majority of diester salts.
• ammonium salts containing at least one ester function that are described in patents US-A-4874554 and US-A-4137180.
• Use may also be made of the behenoylhydroxypropyltrimethylammonium chloride sold, for example, by the company KAO under the name Quartamin BTC 131 .
• the ammonium salts containing at least one ester function contain two ester functions.
• cetyltrimethylammonium behenyltrimethylammonium and dipalmitoylethylhydroxyethylmethylammonium salts, and mixtures thereof, and more particularly behenyltrimethylammonium chloride, cetyltrimethylammonium chloride, and dipalmitoylethylhydroxyethylammonium methosulfate, and mixtures thereof.
• the surfactant(s) is (are) chosen from anionic surfactants, non-ionic surfactants, amphoteric surfactants, and mixtures thereof.
• the surfactant(s) is (are) chosen from non-ionic surfactants, better still from ethoxylated C8-C24 fatty alcohols comprising from 1 to 200 ethylene oxide groups and (C6-C24 alkyl)polyglycosides.
• the total content of surfactant(s) in the composition preferably ranges from 0.01 % to 30% by weight, more preferentially from 0.1 % to 20% by weight, better still from 0.5% to 15% by weight, even better still from 1 % to 10% by weight, relative to the total weight of the composition.
• the total content of non-ionic surfactant(s) in the composition preferably ranges from 0.01 % to 30% by weight, more preferentially from 0.1 % to 20% by weight, better still from 0.5% to 15% by weight, even better still from 1 % to 10% by weight, relative to the total weight of the composition.
• composition according to the invention may comprise one or more fatty substances.
• fatty substance is understood to mean an organic compound that is insoluble in water at 25°C and at atmospheric pressure (1.013x10 5 Pa) (solubility of less than 5% by weight, and preferably less than 1 % by weight, even more preferentially less than 0.1 % by weight). They bear in their structure at least one hydrocarbon-based chain including at least 6 carbon atoms and/or a sequence of at least two siloxane groups.
• the fatty substances are generally soluble in organic solvents under the same temperature and pressure conditions, for instance chloroform, dichloromethane, carbon tetrachloride, ethanol, benzene, toluene, tetrahydrofuran (THF), liquid petroleum jelly or decamethylcyclopentasiloxane.
• organic solvents for instance chloroform, dichloromethane, carbon tetrachloride, ethanol, benzene, toluene, tetrahydrofuran (THF), liquid petroleum jelly or decamethylcyclopentasiloxane.
• the fatty substances that may be used in the present invention are neither (poly)oxyalkylenated nor (poly)glycerolated.
• the fatty substances that are of use according to the invention are non-silicone.
• non-silicone fatty substance is intended to mean a fatty substance not containing any Si-0 bonds and the term “silicone fatty substance” is intended to mean a fatty substance containing at least one Si-0 bond.
• Useful fatty substances according to the invention may be liquid fatty substances (or oils) and/or solid fatty substances.
• a liquid fatty substance is understood to be a fatty substance having a melting point of less than or equal to 25°C at atmospheric pressure (1 .013x10 5 Pa).
• a solid fatty substance is understood to be a fatty substance having a melting point of greater than 25°C at atmospheric pressure (1.013x10 5 Pa).
• the melting point corresponds to the temperature of the most endothermic peak observed on thermal analysis (differential scanning calorimetry or DSC) as described in the standard ISO 11357-3; 1999.
• the melting point may be measured using a differential scanning calorimeter (DSC), for example the calorimeter sold under the name "MDSC 2920" by the company TA Instruments.
• DSC differential scanning calorimeter
• all the melting points are determined at atmospheric pressure (1.013X10 5 Pa).
• the liquid fatty substance(s) according to the invention is (are) chosen from Ce to Ci6 liquid hydrocarbons, liquid hydrocarbons comprising more than 16 carbon atoms, non-silicone oils of animal origin, oils of triglyceride type of plant or synthetic origin, fluoro oils, liquid fatty alcohols, liquid esters of fatty acid and/or of fatty alcohol other than triglycerides, and silicone oils, and mixtures thereof.
• the fatty alcohols, esters and acids more particularly contain at least one saturated or unsaturated, linear or branched hydrocarbon-based group, comprising from 6 to 40 and better still from 8 to 30 carbon atoms, which is optionally substituted, in particular with one or more hydroxyl groups (in particular 1 to 4). If they are unsaturated, these compounds may comprise one to three conjugated or unconjugated carbon-carbon double bonds.
• Ce to Ci6 liquid hydrocarbons the latter may be linear, branched, or optionally cyclic, and are preferably chosen from alkanes. Examples that may be mentioned include hexane, cyclohexane, undecane, dodecane, isododecane, tridecane or isoparaffins, such as isohexadecane or isodecane, and mixtures thereof.
• the liquid hydrocarbons comprising more than 16 carbon atoms may be linear or branched, of mineral or synthetic origin, and are preferably chosen from liquid paraffin or liquid petroleum jelly (INCI name mineral oil or paraffinum liquidum), polydecenes, hydrogenated polyisobutene such as Parleam®, and mixtures thereof.
• a hydrocarbon-based oil of animal origin that may be mentioned is perhydrosqualene.
• the triglyceride oils of plant or synthetic origin are preferably chosen from liquid triglycerides of fatty acids comprising from 6 to 30 carbon atoms, for instance heptanoic or octanoic acid triglycerides, or alternatively, for example, sunflower oil, corn oil, soybean oil, marrow oil, grapeseed oil, sesame seed oil, hazelnut oil, apricot oil, macadamia oil, arara oil, sunflower oil, castor oil, avocado oil, caprylic/capric acid triglycerides, for instance those sold by the company Stearinerie Dubois or those sold under the names Miglyol® 810, 812 and 818 by the company Dynamit Nobel, jojoba oil and shea butter oil, and mixtures thereof.
• liquid triglycerides of fatty acids comprising from 6 to 30 carbon atoms
• heptanoic or octanoic acid triglycerides or alternatively, for example, sunflower
• fluoro oils they may be chosen from perfluoromethylcyclopentane and perfluoro-1 ,3-dimethylcyclohexane, sold under the names Flutec® PC1 and Flutec® PC3 by the company BNFL Fluorochemicals; perfluoro-1 ,2-dimethylcyclobutane; perfluoroalkanes such as dodecafluoropentane and tetradecafluorohexane, sold under the names PF 5050® and PF 5060® by the company 3M, or else bromoperfluorooctyl sold under the name Foralkyl® by the company Atochem; nonafluoromethoxybutane and nonafluoroethoxyisobutane; perfluoromorpholine derivatives, such as 4- trifluoromethylperfluoromorpholine sold under the name PF 5052® by the company 3M.
• the liquid fatty alcohols that are suitable for use in the invention are more particularly chosen from linear or branched, saturated or unsaturated alcohols, preferably unsaturated or branched alcohols, comprising from 6 to 40 carbon atoms, preferably from 8 to 30 carbon atoms.
• Examples that may be mentioned include octyldodecanol, 2-butyloctanol, 2- hexyldecanol, 2-undecylpentadecanol, isostearyl alcohol, oleyl alcohol, linolenyl alcohol, ricinoleyl alcohol, undecylenyl alcohol and linoleyl alcohol, and mixtures thereof.
• liquid esters of fatty acids and/or of fatty alcohols other than the triglycerides mentioned previously, mention may be made especially of esters of saturated or unsaturated, linear C1 to C26 or branched C3 to C26 aliphatic mono- or polyacids and of saturated or unsaturated, linear C1 to C26 or branched C3 to C26 aliphatic mono- or polyalcohols, the total carbon number of the esters being greater than or equal to 6, more advantageously greater than or equal to 10.
• At least one from among the alcohol and the acid from which the esters of the invention are derived is branched.
• dihydroabietyl behenate octyldodecyl behenate; isocetyl behenate; isostearyl lactate; lauryl lactate; linoleyl lactate; oleyl lactate; isostearyl octanoate; isocetyl octanoate; octyl octanoate; decyl oleate; isocetyl isostearate; isocetyl laurate; isocetyl stearate; isodecyl octanoate; isodecyl oleate; isononyl isononanoate; isostearyl palmitate; methyl acetyl ricinoleate; octyl isononanoate; 2- ethylhexyl isononanoate; octyldodec
• ethyl palmitate and isopropyl palmitate alkyl myristates such as isopropyl myristate or ethyl myristate, isocetyl stearate, 2-ethylhexyl isononanoate, isodecyl neopentanoate and isostearyl neopentanoate, and mixtures thereof.
• esters of C4 to C22 dicarboxylic or tricarboxylic acids and of Ci to C22 alcohols and esters of mono-, di- or tricarboxylic acids and of C2 to C26 di-, tri-, tetra- or pentahydroxy alcohols may also be used.
• composition may also comprise, as fatty ester, sugar esters and diesters of Ce to C30, preferably of C12 to C22, fatty acids.
• sugar esters and diesters of Ce to C30, preferably of C12 to C22, fatty acids.
• sugar esters refers to oxygenbearing hydrocarbon-based compounds bearing several alcohol functions, with or without aldehyde or ketone functions, and which include at least 4 carbon atoms. These sugars may be monosaccharides, oligosaccharides or polysaccharides.
• suitable sugars include sucrose, glucose, galactose, ribose, fucose, maltose, fructose, mannose, arabinose, xylose and lactose, and derivatives thereof, especially alkyl derivatives, such as methyl derivatives, for instance methylglucose.
• the sugar esters of fatty acids may be chosen especially from the group comprising the esters or mixtures of esters of sugars described above and of linear or branched, saturated or unsaturated C6 to C30 and preferably C12 to C22 fatty acids. If they are unsaturated, these compounds may comprise one to three conjugated or unconjugated carbon-carbon double bonds.
• esters according to this variant may also be chosen from mono-, di-, tri- and tetraesters, polyesters, and mixtures thereof.
• esters may be, for example, oleates, laurates, palmitates, myristates, behenates, cocoates, stearates, linoleates, linolenates, caprates, arachidonates or mixtures thereof, for instance especially the mixed oleopalmitate, oleostearate and palmitostearate esters.
• monoesters and diesters and especially sucrose, glucose or methylglucose mono- or dioleates, -stearates, -behenates, -oleopalmitates, -linoleates, - linolenates and -oleostearates, and mixtures thereof.
• An example that may be mentioned is the product sold under the name Glucate® DO by the company Amerchol, which is a methylglucose dioleate.
• liquid ester of a monoacid and of a monoalcohol Preferably, use will be made of a liquid ester of a monoacid and of a monoalcohol.
• the silicone oils that may be used in the composition according to the present invention may be volatile or non-volatile, cyclic, linear or branched silicone oils, which are unmodified or modified with organic groups, and preferably have a viscosity from 5x1 O’ 6 to 2.5 m 2 /s at 25°C, and preferably 1 X1 Q- 5 to 1 m 2 /s.
• the silicone oils are chosen from polydialkylsiloxanes, especially polydimethylsiloxanes (PDMS), and liquid polyorganosiloxanes including at least one aryl group.
• PDMS polydimethylsiloxanes
• liquid polyorganosiloxanes including at least one aryl group.
• silicone oils may also be organomodified.
• organomodified silicone oils that may be used in accordance with the invention are preferably liquid silicones as defined above and including in their structure one or more organofunctional groups attached via a hydrocarbon-based group, chosen, for example, from amine groups and alkoxy groups.
• Organopolysiloxanes are defined in greater detail in Walter Noll's "Chemistry and Technology of Silicones” (1968), Academic Press. They may be volatile or non-volatile.
• silicone oils are more particularly chosen from those with a boiling point of between 60°C and 260°C, and even more particularly from:
• cyclic polydialkylsiloxanes including from 3 to 7 and preferably from 4 to 5 silicon atoms.
• cyclic polydialkylsiloxanes including from 3 to 7 and preferably from 4 to 5 silicon atoms.
• octamethylcyclotetrasiloxane sold notably under the name Volatile Silicone® 7207 by Union Carbide or Silbione® 70045 V2 by Rhodia
• decamethylcyclopentasiloxane sold under the name Volatile Silicone® 7158 by Union Carbide
• Silbione® 70045 V5 by Rhodia
• cyclocopolymers of the dimethylsiloxane/methylalkylsiloxane type such as Volatile Silicone® FZ 3109 sold by the company Union Carbide.
• Non-volatile polydialkylsiloxanes are preferably used.
• silicone oils are more particularly chosen from polydialkylsiloxanes, among which mention may be made mainly of polydimethylsiloxanes bearing trimethylsilyl end groups.
• the viscosity of the silicones is measured at 25°C according to the standard ASTM 445, Appendix C.
• oils of the 200 series from the company Dow Corning such as DC200 having a viscosity of 60 000 mm 2 /s;
• CTFA dimethiconol
• organomodified silicones that may be used in accordance with the invention are silicones as defined above and comprising in their structure one or more organofunctional groups attached via a hydrocarbon-based group.
• liquid polyorganosiloxanes including at least one aryl group they may especially be polydiphenylsiloxanes, and polyalkylarylsiloxanes functionalized with the organofunctional groups mentioned previously.
• the polyalkylarylsiloxanes are particularly chosen from linear and/or branched polydimethyl/methylphenylsiloxanes and polydimethyl/diphenylsiloxanes with a viscosity ranging from 1 X10- 5 to 5x1 O’ 2 m 2 /s at 25°C.
• oils of the SF series from General Electric such as SF 1023, SF 1154, SF 1250 and SF 1265.
• organomodified silicones mention may be made of polyorganosiloxanes including:
• substituted or unsubstituted amine groups such as the products sold under the names GP 4 Silicone Fluid and GP 7100 by the company Genesee or the products sold under the names Q28220 and Dow Corning 929 or 939 by the company Dow Corning.
• the substituted amine groups are in particular C1 to C4 aminoalkyl groups;
• the solid fatty substances according to the invention preferably have a viscosity of greater than 2 Pa.s, measured at 25°C and at a shear rate of 1 s- 1 .
• the solid fatty substance(s) is (are) preferably chosen from solid fatty acids, solid fatty alcohols, solid esters of fatty acids and/or of fatty alcohols, waxes, ceramides and mixtures thereof.
• fatty acids is intended to mean a long-chain carboxylic acid comprising from 6 to 40 carbon atoms, preferably from 8 to 30 carbon atoms.
• the solid fatty acids according to the invention preferentially comprise from 10 to 30 carbon atoms and better still from 14 to 22 carbon atoms. They may optionally be hydroxylated. These fatty acids are neither oxyalkylenated nor glycerolated.
• the solid fatty acids that may be used in the present invention are especially chosen from myristic acid, cetylic acid, stearylic acid, palmitic acid, arachidic acid, stearic acid, lauric acid, behenic acid, 12-hydroxystearic acid, and mixtures thereof.
• the solid fatty acid(s) is (are) chosen from stearic acid, myristic acid and palmitic acid.
• fatty alcohol is intended to mean a long-chain aliphatic alcohol comprising from 6 to 40 carbon atoms, preferably from 8 to 30 carbon atoms, and comprising at least one hydroxyl group OH. These fatty alcohols are neither oxyalkylenated nor glycerolated.
• the solid fatty alcohols may be saturated or unsaturated, and linear or branched, and include from 8 to 40 carbon atoms, preferably from 10 to 30 carbon atoms.
• the solid fatty alcohols have the structure R-OH with R denoting a linear alkyl group, optionally substituted with one or more hydroxyl groups, comprising from 8 to 40, preferentially from 10 to 30 carbon atoms, better still from 10 to 30, or even from 12 to 24 atoms, and even better still from 14 to 22 carbon atoms.
• the solid fatty alcohols that may be used are preferably chosen from saturated or unsaturated, linear or branched, preferably linear and saturated, (mono)alcohols including from 8 to 40 carbon atoms, better still from 10 to 30, or even from 12 to 24 atoms, and even better still from 14 to 22 carbon atoms.
• the solid fatty alcohols that may be used may be chosen, alone or as a mixture, from: myristyl alcohol (or 1 -tetradecanol); cetyl alcohol (or 1 -hexadecanol); stearyl alcohol (or 1- octadecanol); arachidyl alcohol (or 1-eicosanol); behenyl alcohol (or 1 -docosanol); lignoceryl alcohol (or 1-tetracosanol); ceryl alcohol (or 1-hexacosanol); montanyl alcohol (or 1-octacosanol); myricyl alcohol (or 1-triacontanol).
• the solid fatty alcohol is chosen from cetyl alcohol, stearyl alcohol, behenyl alcohol, myristyl alcohol, arachidyl alcohol, and mixtures thereof, such as cetylstearyl alcohol or cetearyl alcohol.
• the solid fatty alcohol is chosen from cetylstearyl or cetearyl alcohol and cetyl alcohol.
• the solid esters of a fatty acid and/or of a fatty alcohol that may be used are preferably chosen from esters resulting from a C9-C26 carboxylic fatty acid and/or from a C9-C26 fatty alcohol.
• these solid fatty esters are esters of a linear or branched, saturated carboxylic acid including at least 10 carbon atoms, preferably from 10 to 30 carbon atoms and more particularly from 12 to 24 carbon atoms, and of a linear or branched, saturated monoalcohol including at least 10 carbon atoms, preferably from 10 to 30 carbon atoms and more particularly from 12 to 24 carbon atoms.
• the saturated carboxylic acids may be optionally hydroxylated, and are preferably monocarboxylic acids.
• esters of C4-C22 dicarboxylic or tricarboxylic acids and of C1-C22 alcohols and esters of mono-, di- or tricarboxylic acids and of C2-C26 di-, tri-, tetra- or pentahydroxylated alcohols may also be used.
• the solid esters of a fatty acid and/or of a fatty alcohol are chosen from C9-C26 alkyl palmitates, notably myristyl palmitate, cetyl palmitate or stearyl palmitate; C9-C26 alkyl myristates, such as cetyl myristate, stearyl myristate and myristyl myristate; C9-C26 alkyl stearates, in particular myristyl stearate, cetyl stearate and stearyl stearate; and mixtures thereof.
• C9-C26 alkyl palmitates notably myristyl palmitate, cetyl palmitate or stearyl palmitate
• C9-C26 alkyl myristates such as cetyl myristate, stearyl myristate and myristyl myristate
• C9-C26 alkyl stearates in particular myristyl stearate, cetyl
• a wax is a lipophilic compound, which is solid at 25°C and atmospheric pressure, with a reversible solid/liquid change of state, having a melting point greater than about 40°C and which may range up to 200°C, and having in the solid state an anisotropic crystal organisation.
• the size of the wax crystals is such that the crystals diffract and/or scatter light, giving the composition that comprises them a more or less opaque cloudy appearance.
• the waxes that are suitable for use in the invention may be chosen from waxes of animal, plant or mineral origin, non-silicone synthetic waxes, and mixtures thereof.
• hydrocarbon-based waxes for instance beeswax, notably of biological origin, lanolin wax, and Chinese insect waxes; rice bran wax, carnauba wax, candelilla wax, ouricury wax, esparto grass wax, berry wax, shellac wax, Japan wax and sumach wax; montan wax, orange wax and lemon wax, microcrystalline waxes, paraffins and ozokerite; polyethylene waxes, the waxes obtained by Fischer-Tropsch synthesis and waxy copolymers, and also esters thereof.
• beeswax notably of biological origin, lanolin wax, and Chinese insect waxes
• rice bran wax carnauba wax, candelilla wax, ouricury wax, esparto grass wax, berry wax, shellac wax, Japan wax and sumach wax
• montan wax orange wax and lemon wax
• microcrystalline waxes microcrystalline waxes
• paraffins and ozokerite polyethylene waxes
• Mention may also be made of C20 to Ceo microcrystalline waxes, such as Microwax HW. Mention may also be made of the MW 500 polyethylene wax sold under the reference Permalen 50-L polyethylene.
• waxes obtained by catalytic hydrogenation of animal or plant oils containing linear or branched Cs to C32 fatty chains may also be made of waxes obtained by catalytic hydrogenation of animal or plant oils containing linear or branched Cs to C32 fatty chains.
• isomerized jojoba oil such as the trans-isomerized partially hydrogenated jojoba oil, notably the product manufactured or sold by the company Desert Whale under the commercial reference Iso-Jojoba-50®, hydrogenated sunflower oil, hydrogenated castor oil, hydrogenated coconut oil, hydrogenated lanolin oil, and bis(1 ,1 ,1- trimethylolpropane) tetrastearate, notably the product sold under the name Hest 2T-4S® by the company Heterene.
• the waxes obtained by hydrogenation of castor oil esterified with cetyl alcohol such as those sold under the names Phytowax Castor 16L64® and 22L73® by the company Sophim, may also be used.
• a wax that may also be used is a C20 to C40 alkyl (hydroxystearyloxy)stearate (the alkyl group comprising from 20 to 40 carbon atoms), alone or as a mixture.
• Such a wax is notably sold under the names "Kester Wax K 82 P®", “Hydroxypolyester K 82 P®” and “Kester Wax K 80 P®” by the company Koster Keunen.
• microwaxes in the compositions of the invention; mention may be made notably of carnauba microwaxes, such as the product sold under the name M icroCare 350® by the company Micro Powders, synthetic-wax microwaxes, such as the product sold under the name MicroEase 114S® by the company Micro Powders, microwaxes constituted of a mixture of carnauba wax and of polyethylene wax, such as the products sold under the names Micro Care 300® and 310® by the company Micro Powders, microwaxes constituted of a mixture of carnauba wax and of synthetic wax, such as the product sold under the name Micro Care 325® by the company Micro Powders, polyethylene microwaxes, such as the products sold under the names Micropoly 200®, 220®, 220L® and 250S® by the company Micro Powders, and polytetrafluoroethylene microwaxes, such as the products sold under the names Microslip 519® and 519 L® by the company Micro Powder
• the waxes are preferably chosen from mineral waxes, for instance paraffin, petroleum jelly, lignite or ozokerite wax; plant waxes, for instance cocoa butter or cork fibre or sugar cane waxes, olive tree wax, rice wax, hydrogenated jojoba wax, ouricury wax, carnauba wax, candelilla wax, esparto grass wax, or absolute waxes of flowers, such as the essential wax of blackcurrant blossom sold by the company Bertin (France); waxes of animal origin, for instance beeswaxes or modified beeswaxes (cera bellina), spermaceti, lanolin wax and lanolin derivatives; microcrystalline waxes; and mixtures thereof.
• mineral waxes for instance paraffin, petroleum jelly, lignite or ozokerite wax
• plant waxes for instance cocoa butter or cork fibre or sugar cane waxes, olive tree wax, rice wax, hydrogenated jojoba wax, ouricury wax, carnauba wax
• ceramides, or ceramide analogues such as glycoceramides, that may be used in the compositions according to the invention are known; mention may in particular be made of ceramides of classes I, II, III and V according to the Dawning classification.
• ceramides or analogues thereof that may be used preferably correspond to the following formula: R 3 CH(OH)CH(CH 2 OR 2 )(NHCOR 1 ), in which:
• R 1 denotes a linear or branched, saturated or unsaturated alkyl group, derived from C14-C30 fatty acids, it being possible for this group to be substituted with a hydroxyl group in the alpha position, or a hydroxyl group in the omega position esterified with a saturated or unsaturated C16-C30 fatty acid;
• R 2 denotes a hydrogen atom, a (glycosyl)n group, a (galactosyl)m group or a sulfogalactosyl group, in which n is an integer ranging from 1 to 4 and m is an integer ranging from 1 to 8;
• R 3 denotes a C15-C26 hydrocarbon-based group, saturated or unsaturated in the alpha position, it being possible for this group to be substituted with one or more C1-C14 alkyl groups; it being understood that in the case of natural ceramides or glycoceramides, R 3 may also denote a C15-C26 alpha-hydroxyalkyl group, the hydroxyl group being optionally esterified with a C16-C30 alpha-hydroxy acid.
• the ceramides that are more particularly preferred are the compounds for which R 1 denotes a saturated or unsaturated alkyl derived from C16-C22 fatty acids; R 2 denotes a hydrogen atom and R 3 denotes a saturated linear C15 group.
• R 1 denotes a saturated or unsaturated alkyl radical derived from C12-C22 fatty acids
• R 2 denotes a galactosyl or sulfogalactosyl radical
• 2-N- linoleoylaminooctadecane-1 ,3-diol 2-N-oleoylaminooctadecane-1 ,3-diol
• 2- N-stearoylaminooctadecane-1 ,3,4-triol and in particular N-stearoylphytosphingosine, 2-N- palmitoylaminohexadecane-1 ,3-diol, N-linole
• the solid fatty substances are preferably chosen from solid fatty acids, solid fatty alcohols, and mixtures thereof.
• the composition according to the invention comprises at least one liquid fatty substance, preferentially chosen from liquid hydrocarbons containing more than 16 carbon atoms, plant oils, liquid fatty alcohols, liquid fatty esters, silicone oils and mixtures thereof.
• the composition according to the invention comprises at least one liquid fatty substance chosen from liquid hydrocarbons comprising more than 16 carbon atoms, in particular liquid petroleum jelly, liquid fatty alcohols, and mixtures thereof.
• the composition according to the invention comprises at least one solid fatty substance, preferentially chosen from solid fatty alcohols.
• the total content of the fatty substance(s) preferably ranges from 5% to 80% by weight, more preferentially from 8% to 70% by weight, and better still from 10% to 65% by weight, relative to the total weight of the composition.
• the composition according to the invention comprises one or more fatty substances, the total content of the fatty substance(s) preferably ranging from 30% to 80% by weight, more preferentially from 35% to 70% by weight, and better still from 40% to 65% by weight, relative to the total weight of the composition.
• the composition according to the invention comprises one or more liquid fatty substances, the total content of the liquid fatty substance(s) preferably ranging from 30% to 80% by weight, more preferentially from 35% to 70% by weight, and better still from 40% to 65% by weight, relative to the total weight of the composition.
• composition according to the invention may comprise a sequestrant (or chelating agent) different from etidronic acid, from 2,6-dipicolinic acid and from the salts thereof.
• a "sequestrant” (or “chelating agent”) is well known to those skilled in the art and refers to a compound or a mixture of compounds capable of forming a chelate with a metal ion.
• a chelate is an inorganic complex in which a compound (the sequestrant or chelating agent) is coordinated to a metal ion, i.e. it forms one or more bonds with the metal ion (formation of a ring including the metal ion).
• a sequestrant (or chelating agent) generally comprises at least two electron-donating atoms which enable the formation of bonds with the metal ion.
• the sequestrant(s) may be chosen from carboxylic acids, preferably aminocarboxylic acids, phosphonic acids, preferably aminophosphonic acids, polyphosphoric acids, preferably linear polyphosphoric acids, salts thereof, and derivatives thereof.
• the salts are in particular alkali metal, alkaline-earth metal, ammonium and substituted ammonium salts.
• DTPA diethylenetriaminepentaacetic acid
• EDDS ethylenediaminedisuccinic acid
• trisodium ethylenediaminedisuccinate such as Octaquest E30 from OCTEL
• EDTA ethylenediaminetetraacetic acid
• EDDG ethylenediaminetetraacetic acid
• EDDG ethylenediamine-N,N'-diglutaric acid
• GDS glycinamide-N,N'- disuccinic acid
• GDS 2- hydroxypropylenediamine-N,N'-disuccinic acid
• HPDDS 2- hydroxypropylenediamine-N,N'-disuccinic acid
• EPDHA ethylenediamine-N,N'-bis(ortho- hydroxyphenylacetic acid)
• chelating agents based on mono- or polyphosphonic acid diethylenetriaminepenta(methylenephosphonic acid) (DTPMP), ethane-1 -hydroxy-1 , 1 ,2-triphosphonic acid (E1 HTP), ethane-2-hydroxy- 1,1,2- triphosphonic acid (E2HTP), ethane-1 -hydroxy-1 , 1-triphosphonic acid (EHDP), ethane- 1 ,1 ,2-triphosphonic acid (ETP), ethylenediaminetetramethylenephosphonic acid (EDTMP).
• DTPMP diethylenetriaminepenta(methylenephosphonic acid)
• E1 HTP ethane-1 -hydroxy-1
• E2HTP ethane-2-hydroxy- 1,1,2- triphosphonic acid
• EHDP 1-triphosphonic acid
• EDP ethane- 1 ,1 ,2-triphosphonic acid
• ETMP ethylenediaminetetramethylenephosphonic acid
• chelating agents based on polyphosphoric acid sodium tripolyphosphate (STP), tetrasodium diphosphate, hexametaphosphoric acid, sodium metaphosphate, phytic acid.
• STP sodium tripolyphosphate
• tetrasodium diphosphate tetrasodium diphosphate
• hexametaphosphoric acid sodium metaphosphate
• phytic acid sodium tripolyphosphate
• the sequestrant(s) useful according to the invention is (are) phosphorus-based sequestrants, i.e. sequestrants which comprise one or more phosphorus atoms, preferably at least two phosphorus atoms.
• the phosphorus-based sequestrant(s) used in the composition according to the invention is (are) preferably chosen from:
• alkali metal or alkaline- earth metal preferably alkali metal, phosphates and pyrophosphates, such as sodium pyrophosphate, potassium pyrophosphate, sodium pyrophosphate decahydrate; and alkali metal or alkaline-earth metal, preferably alkali metal, polyphosphates, such as sodium hexametaphosphate, sodium polyphosphate, sodium tripolyphosphate, sodium trimetaphosphate; which are optionally hydrated, and mixtures thereof;
• organic phosphorus-based derivatives such as organic (poly)phosphates and (poly)phosphonates.
• the phosphorus-based sequestrant(s) is (are) chosen from linear or cyclic compounds comprising at least two phosphorus atoms bonded together covalently via at least one linker L comprising at least one oxygen atom and/or at least one carbon atom.
• the phosphorus-based sequestrant(s) may be chosen from inorganic phosphorus-based derivatives, preferably comprising at least 2 phosphorus atoms. More preferentially, the phosphorus-based sequestrant(s) is (are) chosen from alkali metal or alkaline-earth metal pyrophosphates, better still from alkali metal pyrophosphates, in particular sodium pyrophosphate (also known as tetrasodium pyrophosphate).
• the phosphorus-based sequestrant(s) may be chosen from organic phosphorus-based derivatives, preferably comprising at least 2 phosphorus atoms.
• the phosphorus-based sequestrant(s) is (are) chosen from alkali metal pyrophosphates and/or alkali metal salts thereof, and a mixture of these compounds.
• the sequestrants are preferably chosen from diethylenetriaminepentaacetic acid (DTPA) and salts thereof, diethylenediaminetetraacetic acid (EDTA) and salts thereof, ethylenediaminedisuccinic acid (EDDS) and salts thereof, N,N-dicarboxymethylglutamic acid and salts thereof, N,N-dicarboxymethylglutamic acid and salts thereof (GLDA), and mixtures thereof.
• DTPA diethylenetriaminepentaacetic acid
• EDTA diethylenediaminetetraacetic acid
• EDDS ethylenediaminedisuccinic acid
• N,N-dicarboxymethylglutamic acid and salts thereof N,N-dicarboxymethylglutamic acid and salts thereof
• GLDA N,N-dicarboxymethylglutamic acid and salts thereof
• the alkali metal salts and especially the sodium or potassium salts are preferred.
• the total content of the sequestrant(s) different from etidronic acid, from 2,6-dipicolinic acid and from the salts thereof preferably ranges from 0.001 % to 15% by weight, more preferentially from 0.005% to 10% by weight, better still from 0.01 % to 8% by weight, even better still from 0.05% to 5% by weight, relative to the total weight of the composition.
• composition according to the present invention may comprise one or more mineral, organic or hybrid alkaline agent(s).
• composition according to the present invention comprises one or more mineral, organic or hybrid alkaline agent(s).
• alkaline agent' and basic agent' are used interchangeably.
• the mineral basifying agent(s) is (are) preferably chosen from aqueous ammonia, alkali metal carbonates or bicarbonates such as sodium (hydrogen)carbonate and potassium (hydrogen)carbonate, alkali metal or alkaline-earth metal phosphates such as sodium phosphates or potassium phosphates, sodium or potassium hydroxides, and mixtures thereof.
• the organic basifying agent(s) is (are) preferably chosen from alkanolamines, amino acids, organic amines, oxyethylenated and/or oxypropylenated ethylenediamines, 1 ,3- diaminopropane, 1 ,3-diamino-2-propanol, spermine or spermidine and mixtures thereof.
• alkanolamine is intended to mean an organic amine comprising a primary, secondary or tertiary amine function, and one or more linear or branched Ci-Cs alkyl groups bearing one or more hydroxyl radicals.
• Organic amines chosen from alkanolamines such as monoalkanolamines, dialkanolamines or trialkanolamines comprising one to three identical or different C1-C4 hydroxyalkyl radicals are in particular suitable for carrying out the invention.
• the alkanolamine(s) is (are) chosen from monoethanolamine (MEA), diethanolamine, triethanolamine, monoisopropanolamine, diisopropanolamine, N,N- dimethylethanolamine, 2-amino-2-methyl-1 -propanol, triisopropanolamine, 2-amino-2- methyl-1 ,3-propanediol, 3-amino-1 ,2-propanediol, 3-dimethylamino-1 ,2-propanediol, tris(hydroxymethyl)aminomethane and mixtures thereof.
• MEA monoethanolamine
• diethanolamine triethanolamine
• monoisopropanolamine diisopropanolamine
• N,N- dimethylethanolamine 2-amino-2-methyl-1 -propanol
• 2-amino-2-methyl-1 -propanol triisopropanolamine
• the amino acids are basic amino acids comprising an additional amine function.
• Such basic amino acids are preferably chosen from histidine, lysine, arginine, ornithine and citrulline.
• the organic amine may also be chosen from organic amines of heterocyclic type. Besides histidine that has already been mentioned in the amino acids, mention may in particular be made of pyridine, piperidine, imidazole, triazole, tetrazole and benzimidazole.
• the organic amine may also be chosen from amino acid dipeptides. As amino acid dipeptides that may be used in the present invention, mention may notably be made of carnosine, anserine and balenine.
• the organic amine may also be chosen from compounds comprising a guanidine function.
• amines of this type other than arginine that may be used in the present invention, mention may especially be made of creatine, creatinine, 1 ,1-dimethylguanidine, 1 ,1-diethylguanidine, glycocyamine, metformin, agmatine, n-amidoalanine, 3- guanidinopropionic acid, 4-guanidinobutyric acid and 2- ([amino(imino)methyl]amino)ethane-1 -sulfonic acid.
• Use may be made in particular of guanidine carbonate or monoethanolamine hydrochloride as hybrid compounds.
• the alkaline agent(s) that may be used according to the invention is (are) preferably chosen from alkanolamines such as monoethanolamine, diethanolamine, triethanolamine; aqueous ammonia, carbonates or bicarbonates such as sodium (hydrogen)carbonate and potassium (hydrogen)carbonate and mixtures thereof, more preferentially from aqueous ammonia and alkanolamines, better still from alkanolamines.
• alkanolamines such as monoethanolamine, diethanolamine, triethanolamine
• aqueous ammonia, carbonates or bicarbonates such as sodium (hydrogen)carbonate and potassium (hydrogen)carbonate and mixtures thereof, more preferentially from aqueous ammonia and alkanolamines, better still from alkanolamines.
• the total content of the alkaline agent(s) preferably ranges from 0.1 % to 40% by weight, more preferentially from 0.5% to 30% by weight, better still from 1 % to 20% by weight, even better still from
• the pH of the composition comprising at least one alkaline agent is between 8 and 13; preferably between 9 and 12.
• the pH of the composition may be adjusted to the desired value by means of acidic or alkaline agent(s) commonly used in the dyeing of keratin fibres, such as those described hereinabove, or alternatively using buffer systems known to those skilled in the art.
• composition according to the invention may comprise one or more chemical oxidizing agents.
• the chemical oxidizing agent(s) is (are) chosen from hydrogen peroxide, urea peroxide, alkali metal bromates or ferricyanides, peroxygenated salts, for instance persulfates, perborates, peracids and precursors thereof and percarbonates of alkali metals or alkaline-earth metals, and mixtures thereof.
• the oxidizing agent is preferably chosen from hydrogen peroxide.
• the total content of oxidizing agent preferably hydrogen peroxide, preferably ranges from 0.1 % to 30% by weight, more preferentially from 1 % to 20% by weight, and better still from 2% to 10% by weight, relative to the total weight of the composition.
• composition according to the invention may also comprise at least one organic solvent.
• organic solvents examples include linear or branched C2 to C4 alkanols, such as ethanol and isopropanol; glycerol; polyols and polyol ethers, for instance 2-butoxyethanol, propylene glycol, dipropylene glycol, propylene glycol monomethyl ether, diethylene glycol monomethyl ether and monoethyl ether, and also aromatic alcohols or ethers, for instance benzyl alcohol or phenoxyethanol, and mixtures thereof.
• alkanols such as ethanol and isopropanol
• glycerol polyols and polyol ethers
• 2-butoxyethanol propylene glycol
• dipropylene glycol propylene glycol monomethyl ether
• diethylene glycol monomethyl ether and monoethyl ether diethylene glycol monomethyl ether and monoethyl ether
• aromatic alcohols or ethers for instance benzyl alcohol or phenoxyethanol
• the organic solvent(s) may be present in an amount ranging from 0.01 % to 30% by weight, preferably ranging from 2% to 25% by weight, relative to the total weight of the composition.
• the composition according to the invention is preferably an aqueous composition.
• the composition preferably comprises water in an amount of greater than or equal to 5% by weight, preferably greater than or equal to 10% by weight, better still greater than or equal to 15% by weight, relative to the total weight of the composition.
• composition according to the invention may optionally comprise one or more additives, different from the compounds of the invention and among which mention may be made of cationic, anionic, non-ionic or amphoteric polymers or mixtures thereof, mineral thickening agents, antidandruff agents, anti-seborrhoeic agents, agents for preventing hair loss and/or for promoting hair regrowth, vitamins and provitamins including panthenol, sunscreens, mineral or organic pigments, plasticizers, solubilizers, opacifiers or pearlescent agents, antioxidants, hydroxy acids, fragrances, and preservatives.
• additives different from the compounds of the invention and among which mention may be made of cationic, anionic, non-ionic or amphoteric polymers or mixtures thereof, mineral thickening agents, antidandruff agents, anti-seborrhoeic agents, agents for preventing hair loss and/or for promoting hair regrowth, vitamins and provitamins including panthenol, sunscreens, mineral
• the above additives may generally be present in an amount, for each of them, of between 0 and 20% by weight, relative to the total weight of the composition.
• composition according to the invention comprises:
• At least one oxidation coupler chosen from 6-hydroxybenzomorpholine of formula (I), one of its addition salts, its solvates and/or the solvates of its salts, and mixtures thereof:
• - at least one oxidation base chosen from 2-methoxymethyl-para-phenylenediamine, 2-p- hydroxyethyl-para-phenylenediamine, 2-y-hydroxypropyl-para-phenylenediamine, their addition salts, their solvates and/or the solvates of their salts, and mixtures thereof;
• composition according to the invention comprises:
• At least one oxidation coupler chosen from 6-hydroxybenzomorpholine of formula (I), one of its addition salts, its solvates and/or the solvates of its salts, and mixtures thereof:
• - at least one oxidation base preferably chosen from 2-methoxymethyl-para- phenylenediamine, 2-p-hydroxyethyl-para-phenylenediamine, 2-y-hydroxypropyl-para- phenylenediamine, their addition salts, their solvates and/or the solvates of their salts, and mixtures thereof;
• composition according to the invention comprises:
• At least one oxidation coupler chosen from 6-hydroxybenzomorpholine of formula (I), one of its addition salts, its solvates and/or the solvates of its salts, and mixtures thereof:
• - at least one oxidation base chosen from 2-methoxymethyl-para-phenylenediamine, 2-p- hydroxyethyl-para-phenylenediamine, 2-y-hydroxypropyl-para-phenylenediamine, their addition salts, their solvates and/or the solvates of their salts, and mixtures thereof;
• At least one surfactant preferably a non-ionic surfactant
• the present invention also relates to a process for dyeing keratin fibres, preferably the hair, which comprises the step of applying to said keratin fibres an effective amount of a composition as described above.
• the composition may be applied to wet or dry keratin fibres.
• the keratin fibres are optionally rinsed with water, optionally washed with a shampoo and then rinsed with water, before being dried or left to dry.
• the composition applied to the keratin fibres results from the mixing of at least two compositions: a) a dyeing composition comprising:
• At least one oxidation coupler chosen from 6-hydroxybenzomorpholine of formula (I), one of its addition salts, its solvates and/or the solvates of its salts, and mixtures thereof:
• an oxidizing composition comprising one or more chemical oxidizing agents such as those described previously, preferably hydrogen peroxide, the dyeing composition and/or the oxidizing composition comprising at least one compound chosen from etidronic acid, its salts, and mixtures thereof and at least one compound chosen from 2,6-dipicolinic acid, its salts, and mixtures thereof.
• the dyeing process of the invention preferably comprises a step of mixing a dyeing composition with an oxidizing composition comprising at least one chemical oxidizing agent.
• the mixing step is preferably performed at the moment of use, just before applying the composition according to the invention to the hair.
• At least one of the (dyeing or oxidizing) compositions is aqueous.
• the dyeing composition may comprise one or more ingredients from among those described previously.
• the oxidizing composition comprises an oxidizing agent as described previously.
• the oxidizing composition comprises hydrogen peroxide as oxidizing agent, in aqueous solution, the concentration of which ranges, more particularly, from 0.1 % to 50%, more particularly between 0.5% and 20% and even more preferentially between 1% and 15% by weight, relative to the weight of the oxidizing composition.
• the oxidizing composition is preferably an aqueous composition.
• it comprises more than 5% by weight of water, preferably more than 10% by weight of water, and even more advantageously more than 20% by weight of water.
• It may also comprise one or more organic solvents chosen from those listed previously; these solvents more particularly representing, when they are present, from 1% to 40% by weight and preferably from 5% to 30% by weight, relative to the weight of the oxidizing composition.
• the pH of the oxidizing composition when it is aqueous, is less than 7.
• the oxidizing composition may also preferably comprise one or more acidifying agents.
• acidifying agents examples that may be mentioned include mineral or organic acids, for instance hydrochloric acid, phosphoric acid, sulfuric acid, carboxylic acids, for instance acetic acid, tartaric acid, citric acid or lactic acid, and sulfonic acids.
• the oxidizing composition may comprise fatty substances such as those described hereinabove, preferably chosen from fatty alcohols, liquid hydrocarbons comprising more than 16 carbon atoms and mixtures thereof, surfactants and polymers.
• the oxidizing composition comprises at least one compound chosen from etidronic acid, its salts, and mixtures thereof and at least one compound chosen from 2,6-dipicolinic acid, its salts, and mixtures thereof.
• Another subject of the invention is a device comprising at least two compartments, for dyeing keratin fibres, at least a first compartment containing the dyeing composition as described previously and at least a second compartment containing an oxidizing composition as described previously.
• the device according to the invention may also comprise a third compartment containing a care composition for example.
• a care composition for example.
• the compositions of the device according to the invention are packaged in separate compartments, optionally accompanied by suitable application means which may be identical or different, such as fine brushes, coarse brushes or sponges.
• the device mentioned above may also be equipped with a means for dispensing the desired mixture onto the hair, for instance the devices described in patent FR 2586913.
• the present invention relates to the use of a composition as described above for dyeing keratin fibres, and in particular the hair.
• composition A according to the present invention and comparative composition C were prepared using the ingredients of which the contents are indicated in the table below:
• the oxidizing composition B was prepared from the ingredients of which the contents are indicated in the table below:
• the dyeing compositions A and C are each mixed with the oxidizing composition B in a 1 +1 weight ratio.
• Each of the mixtures is applied to locks of natural hair containing 90% of white hair, in a proportion of 5 g of mixture per 1 g of hair.
• the hair is rinsed, washed with a standard shampoo and dried.
• the colouring of the hair is evaluated in the L*a*b* system, using a Konica Minolta CM- 3600A spectrocolorimeter (illuminant D65, angle 10°, specular component included) in the CIELab system.
• L* represents the lightness. The lower the value of L*, the darker and more powerful the colouring obtained.
• the chromaticity is calculated from the values a* and b*, a* representing the red/green axis and b* the yellow/blue axis :
• Composition A according to the invention leads to a higher value of C*, and thus to better chromaticity, compared to the comparative composition C.

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